2(-7n+1)=-138

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Solution for 2(-7n+1)=-138 equation: 


n in (-oo:+oo)

2*(1-7*n) = -138 // + 138

2*(1-7*n)+138 = 0

2*(1-7*n)+138 = 0

140-14*n = 0

140-14*n = 0

140-14*n = 0 // - 140

-14*n = -140 // : -14

n = -140/(-14)

n = 10

n = 10

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